Brandes, J. y otros <br/><br/>
Proceedings of the Fourth Conference on Potato Virus Diseases 

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 -  Braunschweig, 12.17 Sept. 1960  1960 
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<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Fitopatologai--Virus--Papas--<br/>Agricultura